<template>
  <div>
    <h3>商品列表</h3>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <br />
    <!-- 卡片区域 -->

    <el-card>
      <!-- 添加搜索商品区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addPage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- 商品列表区域 -->
      <el-table :data="goodsList" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="95px"></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="140px">
          <template slot-scope="scope">{{scope.row.add_time | dateFormat}}</template>
        </el-table-column>
        <el-table-column label="操作" width="125px">
          <template slot-scope="scope">
            <el-button size="mini" type="primary" icon="el-icon-edit"></el-button>
            <el-button
              size="mini"
              type="danger"
              icon="el-icon-delete"
              @click="delGood(scope.row.goods_id)"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[3, 5, 10, 15]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {
      queryInfo: {
        query: "",
        pagenum: 1,
        pagesize: 10
      },
      goodsList: [],
      total: 0
    };
  },
  created() {
    this.getGoodsList();
  },
  methods: {
    async getGoodsList() {
      const { data: res } = await this.$http.get("goods", {
        params: this.queryInfo
      });

      if (res.meta.status !== 200) {
        return this.$message.error("获取商品列表失败");
      }

      console.log(res.data);
      this.$message.success("获取商品列表成功");
      this.goodsList = res.data.goods;
      this.total = res.data.total;
    },
    handleSizeChange(newSize){
        this.queryInfo.pagesize=newSize
        this.getGoodsList()
    },
    handleCurrentChange(newPage){
        this.queryInfo.pagenum=newPage
        this.getGoodsList()
    },
    async delGood(id){
        console.log(id);
        //根据id删除对应的参数或属性
        //弹窗提示用户是否要删除
        const confirmResult = await this.$confirm(
            '请问是否要删除该商品',
            '删除提示',
            {
            confirmButtonText: '确认删除',
            cancelButtonText: '取消',
            type: 'warning'
            }
        ).catch(err => err)
        //如果用户点击确认，则confirmResult 为'confirm'
        //如果用户点击取消, 则confirmResult获取的就是catch的错误消息'cancel'
        if (confirmResult != 'confirm') {
            return this.$message.info('已经取消删除')
        }

        //没有取消就是要删除，发送请求完成删除
        const {data:res} = await this.$http.delete(`goods/${id}`)

        if (res.meta.status !== 200) {
            return this.$message.error('删除商品失败')
        }

        this.$message.success('删除商品成功')
        this.getGoodsList()
    },
    addPage(){
        
        
        this.$router.push('/goods/add')
    }
  }
};
</script>

<style lang="less" scoped>
</style>